New design aluminium horizontal bi-folding vertical patio rain proof windows on China WDMA Type:Aluminum roof skylight Good air seal on the

Good air seal on the whole window system

for aluminum door or light weight          doors less than 100KG

In the sliding window that we use ordinary materials

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New design aluminium horizontal bi-folding vertical patio rain proof windows on China WDMA Type:Aluminum roof skylight Good air seal on theProduct Description HORIZONTAL RETRACTABLE FLAT SKYLIGHT SPECIFICATION MODEL NO.: LHPY N BRAND: LIANG HUA SKYLIGHT APPLICATIONS: Home: Residential house, villa, apartment and etc. Commercial: Commercial building, school, restaurant, factory and etc. TYPICAL INSTALLATIONS: Roof, sun room , basement, atrium and etc. MAIN FUNCTIONS: Ventilation, daylighting, smoke extraction, night lighting, fire protection, access etc. ADVANTAGES: 1. Excellent